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lesser house fly

Scientific Name
Fannia canicularis
Scientific Author
(Linnaeus)
Taxonomy
(Diptera: Muscidae)
Status
Exotic Species Occurrence in Australia
Reliability
High
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Diagnostic Images

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Caption
Australia: Victoria, Melbourne 2007
Source
Ken Walker Museum Victoria
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Diagnostic Images (7)
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Diagnostic Notes

Adult body length about 5-6mm long (house fly is 6-7mm); adult colour is blackish-gray with three indistinct black dorsal longitudinal thoracic stripes (as compared to the  house fly’s distinctive thoracic stripes); fourth longitudinal wing vein (M1+2) is straight (not bent as in the house fly).  Fannia at rest hold their wings over the back more than the house fly does, creating a narrower V-shape to the wing outline. The legs are black, the halteres yellow.

Fannia has a characteristic flight manner for long continuous periods in shafts of sunlight or in still air such as breezeways and porch areas of residential homes and maintains a position about 2 metres above the ground. The flight pattern consists of a series of irregular triangular or quadrilateral courses, hovering at the corners and darting in between.

Flying clusters of male Fannia typically form in flight clusters.

Source:

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More Information
Specimen Contact
Museum Victoria
Author
Walker, K.
Created
24/06/2007 02:17 AEST
Last Updated
24/06/2007 14:17 AEST
Citation
Walker, K. (2007) lesser house fly (Fannia canicularis) Updated on 6/24/2007 2:17:25 PM Available online: PaDIL - http://www.padil.gov.au.
Image Use
Free for use under the Creative Commons Attribution 3.0 Australia License

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